Year	% of total population
1960	47.7093375421234
1961	48.0172667620089
1962	48.2030566776329
1963	48.339483394834
1964	48.4371958653048
1965	48.5085415266834
1966	48.5454748105216
1967	48.5180825751567
1968	48.3643173340467
1969	48.0510229856024
1970	47.3009494503715
1971	46.0724615618816
1972	44.7612357405739
1973	43.5412441960842
1974	42.4445162183362
1975	41.4861318375958
1976	40.6838154380273
1977	40.0421474433838
1978	39.5457700356433
1979	39.1817685474896
1980	38.8417029128773
1981	38.2817956028838
1982	37.5989931060916
1983	37.0995095567677
1984	36.7408500471802
1985	36.5290924276169
1986	36.5491163906317
1987	36.7222175280944
1988	36.8676628870366
1989	36.9497299040555
1990	36.9980918149969
1991	36.8441628741555
1992	36.5869952494062
1993	36.4024742348761
1994	36.248473452614
1995	35.9984624255237
1996	35.6729664124831
1997	35.2776211883636
1998	34.7142184557439
1999	34.0360501200579
2000	33.2726748082508
2001	32.3665522464805
2002	31.2341196145282
2003	30.0510391760162
2004	28.9764556025804
2005	27.971447618443
2006	27.0790535913792
2007	26.3169671826681
2008	25.6840196126371
2009	25.1661155236888
2010	24.7415357903875
2011	24.4657059816565
2012	24.3088536611668
2013	24.1789908888404
2014	24.0670495242535
2015	23.9642123222908
2016	23.9559541870197
2017	24.0327322497013
2018	24.0979825670152
2019	24.1420754786166
2020	24.1337344233926
2021	24.0711018377337
2022	23.9697060288989
2023	23.819279065805